[Application Features] JF20 high tin aluminum bearing Steel substrate, the surface roll AISn20Cu material products. The product has medium fatigue strength and load capacity, good corrosion resistance, good sliding properties and other characteristics. [Application] of the product used for small and medium power internal combustion engine bearing, train engine bearings, bushings air finale machine, replace the babbitt innovative products. The main parameters of the alloy layer material: AISn20Cu Load capacity: 30N / mm2 maximum operating temperature: 150 ℃ alloy layer hardness: HB30 ~ 40